Parachute Beardtongue (Penstemon debilis O'Kane & J.L. Anderson)
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↑Links & External Resources
• Penstemon debilis (Parachute beardtongue) | USDA PLANTS Database (About This Site)
• Penstemon debilis | Biota of North America Project (BONAP) (About This Site)
• Penstemon debilis O'Kane & J.L.Anderson | Plants of the World Online (POWO) (About This Site)
• Penstemon debilis | NatureServe Explorer (About This Site)
• Penstemon debilis | Flora of North America (About This Site)